This is a Phase 1/2, multicenter, open-label study conducted in 3 parts (Part A, Part B, and Part C) to evaluate the safety, tolerability, PK/PD, and efficacy of BEAM-302 in adult patients with AATD-associated lung disease and/or liver disease. Parts A and B are designed to evaluate safety and tolerability and identify the optimal biological dose (OBD) in patients with AATD-associated lung disease (Part A) and/or liver disease (Part B), with optional expansion cohorts to further evaluate a potential OBD. Part C is designed to demonstrate the efficacy and safety of BEAM-302 at the OBD in patients with AATD-associated lung disease with or without liver disease in the pivotal cohort.
Phase 1 trials primarily test safety and dosing in a small number of participants (typically 20–100). Results do not yet speak to efficacy. FDA approval is typically many years away from this stage.
Phase 2 trials begin testing efficacy in a larger patient group (100–300). This is often where biotech binary events occur — positive Phase 2 data can significantly advance a company's pipeline narrative, while failures can be terminal for a program.
Currently recruiting: the trial is enrolling patients. A data readout is not expected until after enrollment closes and the follow-up period is complete.
Beam Therapeutics (BEAM) is the sponsoring company for this trial. BiotechSign currently grades this company D (45/100) based on composite catalyst signals across its full pipeline. This trial is one data point in that overall catalyst picture.